fix: Update copy code button on markdown to work with new highlightjs lib implementation

Author: timothycarambat

frontend/src/utils/chat/markdown.js

@@ -2,35 +2,37 @@ import { encode as HTMLEncode } from "he";
 import markdownIt from "markdown-it";
 import hljs from "highlight.js";
 import "highlight.js/styles/github-dark-dimmed.min.css";
+import { v4 } from "uuid";
 
 const markdown = markdownIt({
   html: true,
   typographer: true,
   highlight: function (str, lang) {
+    const uuid = v4();
     if (lang && hljs.getLanguage(lang)) {
       try {
         return (
-          `<div class="whitespace-pre-line w-full rounded-lg bg-black-900 px-4 pt-10 pb-4 relative font-mono font-normal text-sm text-slate-200"><div class="w-full flex items-center absolute top-0 left-0 text-slate-200 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md"><button onclick='window.copySnippet();' class="flex ml-auto gap-2"><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" class="h-4 w-4" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect></svg>Copy code</button></div><pre class="whitespace-pre-wrap">` +
+          `<div class="whitespace-pre-line w-full rounded-lg bg-black-900 px-4 pt-10 pb-4 relative font-mono font-normal text-sm text-slate-200"><div class="w-full flex items-center absolute top-0 left-0 text-slate-200 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md"><button id="code-${uuid}" onclick='window.copySnippet("${uuid}");' class="flex ml-auto gap-2"><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" class="h-4 w-4" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect></svg>Copy code</button></div><pre class="whitespace-pre-wrap">` +
           hljs.highlight(lang, str, true).value +
           "</pre></div>"
         );
       } catch (__) {}
     }
 
     return (
-      `<div class="whitespace-pre-line w-full rounded-lg bg-black-900 px-4 pt-10 pb-4 relative font-mono font-normal text-sm text-slate-200"><div class="w-full flex items-center absolute top-0 left-0 text-slate-200 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md"><button onclick='window.copySnippet();' class="flex ml-auto gap-2"><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" class="h-4 w-4" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect></svg>Copy code</button></div><pre class="whitespace-pre-wrap">` +
+      `<div class="whitespace-pre-line w-full rounded-lg bg-black-900 px-4 pt-10 pb-4 relative font-mono font-normal text-sm text-slate-200"><div class="w-full flex items-center absolute top-0 left-0 text-slate-200 bg-stone-800 px-4 py-2 text-xs font-sans justify-between rounded-t-md"><button id="code-${uuid}" onclick='window.copySnippet("${uuid}");' class="flex ml-auto gap-2"><svg stroke="currentColor" fill="none" stroke-width="2" viewBox="0 0 24 24" stroke-linecap="round" stroke-linejoin="round" class="h-4 w-4" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"></path><rect x="8" y="2" width="8" height="4" rx="1" ry="1"></rect></svg>Copy code</button></div><pre class="whitespace-pre-wrap">` +
       HTMLEncode(str) +
       "</pre></div>"
     );
   },
 });
 
-window.copySnippet = function () {
-  if (!event?.target) return false;
-
-  const target = event?.target;
+window.copySnippet = function (uuid = "") {
+  const target = document.getElementById(`code-${uuid}`);
   const markdown =
-    target.parentElement?.parentElement?.querySelector(".markdown")?.innerText;
+    target.parentElement?.parentElement?.querySelector(
+      "pre:first-of-type"
+    )?.innerText;
   if (!markdown) return false;
 
   window.navigator.clipboard.writeText(markdown);